LG 47LW9800-SA (CHASSIS:LJ12D) Service Manual ▷ View online
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Q906
2SC3052
WIRELESS
E
B
C
IR_OUT
Q902
2SC3052
E
B
C
D902
5.6V
AMOTECH
C905
1000pF
50V
+3.5V_ST
S/T_SCL
+3.5V_ST
+3.5V_ST
R913
10K
10K
COMMERCIAL_EU
R934
100
100
+3.5V_ST
R909
3.3K
3.3K
OPT
R935
100
100
+3.5V_ST
Q903
2SC3052
COMMERCIAL_EU
E
B
C
R920
10K
1%
KEY2
R910
0
0
COMMERCIAL_US
+3.5V_ST
R914
10K
10K
WIRELESS
R922
47K
WIRELESS
R906
22
COMMERCIAL
EEPROM_SDA
C901
0.1uF
D905
5.6V
CDS3C05HDMI1
D903
5.6V
CDS3C05HDMI1
R902
0
0
OPT
+3.5V_ST
R936
100
100
IR
LED_R/BUZZ
R915
100
100
Q901
2SC3052
E
B
C
EEPROM_SCL
+3.5V_ST
R917
47K
COMMERCIAL
D904
5.6V
CDS3C05HDMI1
R929
1.5K
R928
1.5K
IR_PASS
Q905
2SC3052
COMMERCIAL
E
B
C
D906
5.6V
CDS3C05HDMI1
R933
100
100
R908
47K
Q904
2SC3052
WIRELESS
E
B
C
R919
10K
1%
D901
5.6V
5.6V
AMOTECH
R918
47K
WIRELESS
L902
BLM18PG121SN1D
+3.3V_Normal
D907
5.6V
AMOTECH
R912
47K
WIRELESS
R921
47K
COMMERCIAL
P901
12507WR-15L
IR_15P
1
EEPROM_SCL
2
EEPROM_SDA
3
GND
4
KEY1
5
KEY2
6
3.5V
7
GND
8
LED_B/LOGO
9
IR
10
GND
11
3.3V
12
LED_R/BUZZ
13
GND
14
S/T_SCL
16
.
15
ST_SDA
C904
0.1uF
16V
OPT
L901
BLM18PG121SN1D
R905
47K
LED_B/LG_LOGO
C902
0.1uF
16V
OPT
R903
47K
R907
22
WIRELESS
KEY1
+3.5V_ST
R911
47K
COMMERCIAL_EU
C903
0.1uF
S/T_SDA
R916
100
100
C911
100pF
50V
R904
10K
10K
P902
12507WR-12L
IR_12P
1
2
3
4
5
6
7
8
9
10
11
12
13
C912
0.1uF
16V
ESD_ATSC
C913
0.1uF
16V
ESD_ATSC
DUAL COMPONENT
IR & KEY
1ST : 0TRIY80001A 2ND : 0TR387500AA
50
1ST : EAH42720601, 2ND : EAH60994401
BCM35230
Q901,Q902,Q903
Q904,Q905,Q906
Q904,Q905,Q906
close to wafer
9
WIRELESS
D903,D904
D905,D906
D905,D906
COMMERCIAL
IR/KEY
Zener Diode is
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
R1007
1K
WIRELESS
+24V
Q1002
WIRELESS
AO3407A
G
D
S
C1004
10uF
35V
10uF
35V
WIRELESS
SDA2_3.3V
+3.3V_Normal
WIRELESS_SDA
R1008
10K
WIRELESS
L1001
MLB-201209-0120P-N2
WIRELESS
WIRELESS_DET
WIRELESS_SCL
SCL2_3.3V
IR_PASS
R1006
33
WIRELESS
D1001
5.6V
CDS3C05HDMI1
WIRELESS
JK1001
KJA-PH-3-0168
WIRELESS
14
GND_3
13
I2C_SDA
5
VCC(24V/20V/17V)_1
12
I2C_SCL
11
GND_2
2
VCC(24V/20V/17V)_2
19
GND_5
18
IR
10
RESET
4
VCC(24V/20V/17V)_4
1
VCC(24V/20V/17V)_1
17
GND_4
9
GND_1
8
INTERRUPT
3
VCC(24V/20V/17V)_3
16
UART_TX
7
DETECT
6
VCC(24V/20V/17V)_1
15
UART_RX
20
GND_6
21
SHIELD
WIRELESS_SDA
D1002
5.6V
CDS3C05HDMI1
WIRELESS
WIRELESS_SCL
R1002
22K
WIRELESS
C1002
2.2uF
WIRELESS
R1003
2.2K
2.2K
WIRELESS
Q1001
WIRELESS
MMBT3904(NXP)
E
B
C
WIRELESS_PWR_EN
R1001
10K
WIRELESS
R1005
33
WIRELESS
1ST : EBK61012601, 2ND : 0TRDI80002A
BCM35230
Q1002
D1001,D1002
Address : 0X20
DUAL COMPONENT
Wireless I2C connection with I2C_1
50
WIRELESS
1ST : EBK60752501, 2ND : EBK61011501
Wireless power
10
Q1001
1ST : EAH42720601 2ND : EAH60994401
WIRELESS READY MODEL
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
+3.3V_Normal
R1128
2.7K
AV2
ZD1117
5.1V
D1114
5.6V
COMP2
ZD1108
5.1V
COMP2
AV1_L_IN
R1116
470K
470K
AV2
ZD1101
5.1V
AV2
R1107
75
75
1%
JK1102
KJA-PH-1-0177
3
M3_DETECT
4
M4
5
M5_GND
1
M1
6
M6
AV2_CVBS_IN
ZD1103
5.1V
COMP2
R1106
75
75
1%
COMP1_Pb
R1119
0
0
COMP2
JK1104
PPJ233-01
AV2_JACK
4A
[YL]O-SPRING
5A
[YL]E-LUG
3A
[YL]CONTACT
4B
[WH]C-LUG
5C
[RD]E-LUG
4C
[RD]O-SPRING
3C
[RD]CONTACT
C1124
560pF
50V
560pF
50V
AV2
SC_B/COMP2_Pb
L1103
BLM18PG121SN1D
COMP2
COMP1_Y
ZD1102
5.1V
AV2
D1111
5.6V
AV2
R1108
75
75
1%
L1104
BLM18PG121SN1D
COMP2
D1107
5.6V
ZD1113
5.1V
R1114
1K
1K
R1130
1K
COMP2
+3.3V_Normal
C1122
560pF
50V
560pF
50V
COMP2
ZD1105
5.1V
COMP2
R1112
2.7K
2.7K
COMP1_Pr
R1105
2.7K
SC/COMP2_R_IN
D1113
5.6V
COMP2
C1113
560pF
50V
560pF
50V
COMP2
AV2_R_IN
JK1105
PPJ238-01
JACK_PACK
5D
[GN2]O-SPRING
6D
[GN2]E-LUG
4D
[GN2]CONTACT
7E
[BL2]E-LUG-S
5E
[BL2]O-SPRING
7F
[RD2]E-LUG-S
5F
[RD2]O-SPRING_1
5G
[WH2]O-SPRING
4H
[RD2]CONTACT
5H
[RD2]O-SPRING_2
6H
[RD2]E-LUG
6A
[YL1]E-LUG
5A
[YL1]O-SPRING
4A
[YL1]CONTACT
5B
[WH1]O-SPRING
4C
[RD1]CONTACT
5C
[RD1]O-SPRING
6C
[RD1]E-LUG
R1120
0
0
COMP2
ZD1107
5.1V
COMP2
R1118
75
75
AV2
D1108
5.6V
ZD1110
5.1V
+3.3V_Normal
R1136
10
10
ZD1114
5.1V
D1101
5.6V
C1108
560pF
50V
560pF
50V
C1114
560pF
50V
560pF
50V
COMP2
C1109
560pF
50V
560pF
50V
AV1_CVBS_IN
SC_G/COMP2_Y
R1129
1K
AV2
R1126
75
75
COMP2
AV1_R_IN
D1112
5.6V
COMP2
AV2_L_IN
R1111
470K
ZD1112
5.1V
R1110
470K
D1105
5.6V
5.6V
R1123
470K
COMP2
R1127
2.7K
COMP2
R1125
75
75
COMP2
COMP1_DET
SC/COMP2_L_IN
R1122
470K
470K
COMP2
ZD1106
5.1V
COMP2
R1121
0
0
COMP2
SC_R/COMP2_Pr
C1110
560pF
50V
560pF
50V
AV2_CVBS_DET
R1140
10
10
AV2
C1107
560pF
50V
560pF
50V
SC_DET/COMP2_DET
ZD1104
5.1V
COMP2
D1110
5.6V
AV2
AV2
AMOTECH
R1117
470K
470K
AV2
R1109
75
75
1%
ZD1111
5.1V
R1124
75
75
COMP2
C1123
560pF
50V
560pF
50V
AV2
D1109
5.6V
AV2
AV2
AMOTECH
JK1101
KJA-PH-1-0177
3
M3_DETECT
4
M4
5
M5_GND
1
M1
6
M6
C1119
560pF
50V
560pF
50V
AV2
ZD1115
5.1V
C1121
560pF
50V
560pF
50V
COMP2
C1118
560pF
50V
560pF
50V
AV2
R1113
1K
1K
+3.3V_Normal
ZD1116
5.1V
AV1_CVBS_DET
R1143
22
22
R1144
22
22
R1141
22
22
AV2
R1142
22
22
AV2
R1131
22
22
COMP2
R1132
22
22
COMP2
L1107
CM2012FR27KT
L1108
CM2012FR27KT
L1109
CM2012FR27KT
L1110
CM2012FR27KT
L1111
CM2012FR27KT
L1112
CM2012FR27KT
COMP2_Y
COMP2_Pr
COMP2_Pb
COMP2_Pb
COMP2_Pr
COMP2_Y
C1102
27pF
50V
27pF
50V
C1128
27pF
50V
C1116
27pF
50V
C1125
27pF
50V
27pF
50V
C1117
27pF
50V
C1126
27pF
50V
27pF
50V
C1115
27pF
50V
C1127
27pF
50V
27pF
50V
C1104
27pF
50V
27pF
50V
C1129
27pF
50V
C1103
27pF
50V
27pF
50V
C1130
27pF
50V
C1106
47pF
50V
47pF
50V
C1120
47pF
50V
47pF
50V
AV2
R1137
10
10
R1138
10
10
R1139
10
10
R1133
10
COMP2
R1134
10
COMP2
R1135
10
COMP2
COMPONENT 1 PHONE JACK
COMP/AV
11
BCM35230
CVBS 1 PHONE JACK
50
COMP2 REAR JACK
CVBS2 REAR JACK
FOR EMI
FOR EMI
U
S
B
D
O
W
N
S
T
R
E
A
M
U
S
B
D
O
W
N
S
T
R
E
A
M
THERMAL
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
+3.3V_USB
R1209
100K
WIFI
R1208
100K
WIFI
R1207
100K
WIFI
C1217
4.7uF
4.7uF
WIFI
/USB_OCD1
+3.3V_Normal
R1230
0
NON_WIFI
C1215
0.1uF
WIFI
R1225
0
NON_WIFI
C1231
100uF
16V
16V
D1203
5.6V
CDS3C05HDMI1
SIDE_USB_CTL1
USB_DM1
+3.3V_USB
USB_DM2
/RST_HUB
USB_CTL1
D1206
5.6V
CDS3C05HDMI1
C1216
0.1uF
WIFI
WIFI_DP
R1224
0
NON_WIFI
+5V_USB
JK1201
3AU04S-305-ZC-(LG)
1
2
3
4
5
R1215
100K OPT
D1202
5.6V
CDS3C05HDMI1
WIFI_ESD
+5V_USB
+3.3V_USB
R1216
100K OPT
R1213
100K
OPT
OPT
R1220
4.7K
OPT
4.7K
OPT
C1206
0.1uF
WIFI
C1211 15pF
WIFI
L1202
MLB-201209-0120P-N2
WIFI 120-ohm
R1205
1M
1M
1%
WIFI
SIDE_USB_OCD2
+3.3V_Normal
USB_DP2
X1201
24MHz
24MHz
WIFI
C1213 15pF
WIFI
C1220
10uF
10V
/USB_OCD2
C1223
0.1uF
C1230
100uF
16V
16V
C1207
0.1uF
WIFI
C1209
1uF
10V
WIFI
SIDE_USB_DP
+3.3V_USB
USB_DP2
C1219
10uF
10V
C1218
0.1uF
OPT
L1205
MLB-201209-0120P-N2
120-ohm
D1201
5.6V
CDS3C05HDMI1
WIFI_ESD
R1229
0
NON_WIFI
C1205
0.1uF
WIFI
R1228
0
NON_WIFI
+3.3V_Normal
SIDE_USB_CTL2
SIDE_USB_DP
JK1202
3AU04S-305-ZC-(LG)
1
2
3
4
5
R1222
2.7K
2.7K
SIDE_USB_DM
USB_DM1
C1212
1uF
10V
WIFI
R1223
2.7K
2.7K
/USB_OCD1
C1208
0.1uF
WIFI
USB_CTL2
D1205
5.6V
CDS3C05HDMI1
/USB_OCD2
C1214
0.1uF
WIFI
R1214
100K OPT
USB_CTL2
R1227
0
NON_WIFI
C1224
0.1uF
0.1uF
SIDE_USB_OCD1
USB_CTL1
R1206
100K
WIFI
USB_DP1
C1204
1uF
10V
1uF
10V
WIFI
WIFI_DM
R1226
0
NON_WIFI
+5V_USB
WIFI_DP
SIDE_USB_DM
USB_DP1
P1201
12507WR-04L
WIFI
1
VDD
2
DM
3
DP
4
GND
5
.
L1203
BLM18PG121SN1D
WIFI
WIFI_DM
R1221
4.7K
OPT
4.7K
OPT
+3.3V_USB
R1212
100K
100K
OPT
C1210
0.1uF
WIFI
USB_DM2
R1204
12K
1/16W
1%
WIFI
L1204
MLB-201209-0120P-N2
120-ohm
D1204
5.6V
CDS3C05HDMI1
IC1204
AP2191DSG
EAN61849601
3
IN_2
2
IN_1
4
EN
1
GND
5
FLG
6
OUT_1
7
OUT_2
8
NC
IC1203
AP2191DSG
EAN61849601
3
IN_2
2
IN_1
4
EN
1
GND
5
FLG
6
OUT_1
7
OUT_2
8
NC
R1233
0
WIFI
R1232
0
WIFI
IC1202
USB2512B-AEZG
WIFI
1
USBDM_DN[1]
3
USBDM_DN[2]
7
NC_2
9
NC_4
10
VDDA33_2
11
TEST
12
PRTPWR[1]/BC_EN[1]
13
OCS_N[1]
14
CRFILT
15
VDD33_1
16
PRTPWR[2]/BC_EN[2]
17
OCS_N[2]
18
NC_5
19
NC_6
20
NC_7
21
NC_8
22
SDA/SMBDATA/NON_REM[1]
23
VDD33_2
24
SCL/SMBCLK/CFG_SEL[0]
25
HS_IND/CFG_SEL[1]
26
RESET_N
27
VBUS_DET
28
SUSP_IND/LOCAL_PWR/NON_REM[0]
29
VDDA33_3
30
USBDM_UP
31
USBDP_UP
32
XTALOUT
5
VDDA33_1
8
NC_3
6
NC_1
4
USBDP_DN[2]
2
USBDP_DN[1]
33
XTALIN/CLKIN
34
PLLFILT
35
RBIAS
36
VDD33_3
37
[EP]VSS
R1231
0
NON_WIFI
C1232
100uF
16V
16V
WIFI
C1233
0.1uF
16V
0.1uF
16V
WIFI
C1234
0.1uF
16V
0.1uF
16V
WIFI
D1207
RCLAMP0502BATCT
DEV
D1208
RCLAMP0502BATCT
DEV
D1201,D1202
D1203,D1204
D1205,D1206
D1203,D1204
D1205,D1206
BCM35230
USB
12
1ST : EAH42720601 2ND : EAH60994401
USB + WIFI
USB / DVR Ready
USB_WIFI
DUAL COMPONENT
Close to BCM IC
For EMI
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